Yuuki Kagurazaka gets reborn into the world of Highschool Dxd. How will he accomplish his goal of world domination in this new world? (Will Contain Tensura concepts like skills)

Kieran joins his new high school with high hopes and great dreams of having an amazing social life, but a puppy love sends his whole world crashing down. When he's left with nothing but the clothes on his back he decides to shut out his past and seek a new start. He sheds his identity and his name. He becomes Kira. *The pictures do not belong to me. So all the credit goes to the artists*

When the gods are in danger they decide to get help. They search for their long-gone hero Perseus Jackson only to come up with a icy seventeen year old of the myths.

What if Gilgamesh was reborn as Naruto Uzumaki.

Alex Anderson goes to Beacon academy to test his skills and fight monsters.

In the past, he's a man known by many names: The Demon Brat, The Hero of the Fourth Great Shinobi War, the Nanaidaime Hokage of the Leaf. Now, he is known as Fairy Tail's very own guardian angel, an urban legend of the World of Magic, who goes by the name of Fairy Guardian. [Naruto/Harem] [Next chapter 10%]

Y/N Uzumaki is a student of Kuoh Academy. He is the most Shy boy in the whole school. The girls of the school think its adorable, but he has a secret that he doesn't want anyone to know. He has a Demon within him. To me more precise the Nine Tailed Fox Demon. And in a world filled with Devils, Angels, and Fallen Angels they would want him, but only for his power. But what they don't know is that he has the power to destroy them all. But he doesn't want to hurt anyone. He even gave up on finding love. In his own words. Y/N: I'm just a monster

Sawada Tsunayoshi younger brother of Sawada Lekatsu, direct descendants of Vongola Primo.. Tsunayoshi also know an as Tsuna/Tuna WAS a child who is very smart, kind, pretty much matured and very forgiving... He already knows that he's father is the Head of CEDEF on a Famiglia also known as Vongola... While Sawada Lekatsu, a VERY over protected older brother of Tsuna, his kind , average smart, popular and athletic. Until one day Tsuna accidentally heard his brother bad mouthing him and ran away and hide in a dark alley... And that's when he met... =============☆============== Wanna know what happened next ?? Lets find out!

(Story has been discontinued.) Y/N had a dream to one day become a hero so, to have that dream become reality he, trained he trained every day for the rest of his life from the very second he woke up to the second his body passed out from exhaustion, no matter how much his body ached and how much he told himself to slow down he never did until finally, his strength got to the point where he could take out any foe with just one punch with this newfound power came. Boredom. Absolute boredom. (I know not an original idea.)

I suck with descriptions, so I won't be trying to do it. Have fun being OP. I don't own any characters from Highschool DXD (but knowing artivle 13 this story will be banned) and to be fair, I own you.